recuse

to reject or challenge (a judge, juror, or attorney) as disqualified to act in a particular case, especially because of potential conflict of interest or bias.

to disqualify or withdraw (oneself or another person) from any position of judging or decision-making so as to avoid the appearance of personal interest or bias: The senator has recused himself from the vote because of his prior association with the company.

to withdraw from any position of judging or decision-making so as to avoid a semblance of personal interest or bias.

(tr; reflexive) to remove from participation in a court case due to potential prejudice or partiality