Jefferson's neighbor knew that just freeing his slaves in Virginie would cause problems, probably involving the newly freed slaves being rounded up and reenslaved or worse. So took all his slaves on a boat north across the Ohio River. On the other shore he simply announced that every man, woman and child was now a free human being and that they could accompany him if they wished and he would treat them as equals.
The result was the founding of the state of Indiana, and he was first governor. Jefferson declined to follow his example. Two opportunities (of many) for Jefferson to show the meaning of the words "endowed by their Creator with certain inalienable rights." But now he was older and knew better... No wonder Marquis de Lafayette disowned him. Jefferson was a despicable human being who freely and knowingly chose the dark side.