Washington (CNN)He's known around the world as the President with a mother from Kansas and a father from Kenya.
For Obama, historic return to Kenya comes after long wait
On Thursday, as President Barack Obama travels to his paternal homeland for the first time as commander-in-chief, his visit comes imbued with complexities for the nation's first African-American president, who's spoken in deeply personal terms about exploring his ancestry and growing up without his father.
He's made three previous visits to Kenya, all before being elected president. His first visit, in 1987, became the basis for his memoir "Dreams from my Father."
Wondering whether his trip would "finally fill that emptiness" he found within himself, Obama described arriving in Kenya on a commercial flight, face pressed against the window, eager to discover some ancestral truth that could "somehow set me free."
He last went to Kenya in 2006, when he was a U.S. senator, telling a crowd gathered in the western village of Kogelo, where his father was born, that he was proud "to come back home."
When Obama was elected president in 2008, jubilant Kenyans piled into Nairobi's streets, and maternity wards filled with newborns named "Barack" and "Michelle."
Many expected him to visit early in his first term, but he never came. At the time, rumors persisted in conservative circles that Obama was actually born in Kenya — and constitutionally disqualified to be president. They persisted even after the White House released his birth certificate.
Instead, for his first visit to sub-Saharan Africa in 2009, Obama chose stable, Democratic Ghana, declaring in a well-received speech, "I have the blood of Africa within me, and my family's own story encompasses both the tragedies and triumphs of the larger African story."
He returned to sub-Saharan Africa in 2013, stopping in Tanzania and Senegal, but again skipping the country where citizens claim him as kin.
At the time, Obama and his aides noted ongoing strife in Kenya over disputed elections, saying a presidential visit wouldn't be appropriate.
Now, as his presidency enters its final stage, Obama is looking to cement his legacy on the continent, and appears willing to withstand expected criticism over visiting a country with a spotty record on human rights.
"Africa will be a part of his legacy, I think he's very proud of what we've done so far, and I think he's looking forward to continuing it," said Valerie Jarrett, a senior adviser to Obama, in an interview.
On Wednesday, Obama himself pointed to the fact he was making his fourth visit to sub-Saharan Africa as president as evidence of a lasting commitment to the region.
"If your name is Barack Obama, I guess that makes sense," he said at a ceremony marking the expansion of a trade initiative with Africa.
But even as he makes the highly symbolic return to his father's homeland, Obama has tamped down on expectations the trip will amount to a deeply personal sojourn. He won't visit Kogelo, though some of his family members that live there may visit Nairobi while he's in the capital.
"I'll be honest with you, visiting Kenya as a private citizen is probably more meaningful to me than visiting as president because I can actually get outside of a hotel room or a conference center," he said last week.
Jarrett, speaking Wednesday, said while Obama was looking forward to visiting Kenya, "he'd love nothing better than to be able to put on a baseball cap and sneak out and go through the streets and meet directly with some of the people, but that's not something that's available to the President of the United States."
Obama was set to arrive in Nairobi late Friday local time, and plans to begin meetings with Kenyan President Uhuru Kenyatta starting on Saturday. Obama will also attend a U.S.-sponsored entrepreneurship summit in Nairobi before traveling to Ethiopia on Sunday.
Kenyatta was elected president in 2013, even as he was charged at the International Criminal Court with fueling ethnic violence six years earlier. Those charges were eventually dropped.
His father, Jomo, served as Kenya's president from 1963 to 1978. During that time, Obama's own father, Barack Obama Sr., served as an economist in his administration, though the two men eventually had a falling out, leaving Obama Sr. blacklisted and unable to find work.
Speaking Wednesday, Obama's National Security Adviser Susan Rice said the U.S. firmly believed Kenyatta and the Ethiopian Prime Minister Hailemariam Desalegn were elected democratically, even though the later received 100% of the vote in a contest observers said was rife with fraud.
She added the U.S. wouldn't shy away from raising human rights concerns in meetings this weekend.
"When we are traveling to countries where we have concerns about the rule of law, human rights, corruption, democratic governance, we make those concerns known, publicly and privately," Rice said. "And we have done so continuously in the case of these two countries, and we'll continue to do so."
In their discussions, the two leaders are also likely to focus on regional security challenges, including the threat posed by Somalia-based al Shabaab.
The group has terrorized regions of Kenya through attacks on "soft targets," including malls and universities.
The security challenges surrounding Obama's visit itself have been substantial; western officials worry the Islamist group may be plotting similar "soft target" attacks while Obama visits Nairobi.
The White House said it is confident in the security apparatus in place, and indicated a trip wouldn't go forward if significant security concerns existed.
"Obviously we wouldn't be taking this trip if we thought that security conditions precluded us doing so," said Rice, noting the administration remains "very concerned for the people of Kenya and for the region" amid terror threats there.