Antonyms for "take one upon" include "surrender," "yield," "relinquish," "abandon," "renounce," and "forfeit." These words indicate a lack of ownership or responsibility and imply a sense of letting go or giving up. Surrender and yield suggest a submission to outside forces or authority. Relinquish and abandon imply a voluntary departure or abandonment of a claim or responsibility. Renounce implies a formal declaration of abandonment, often for moral or ethical reasons. Forfeit suggests a loss of ownership or privilege due to failure to meet certain conditions or obligations. Together, these antonyms convey the opposite of "taking one upon," which implies a willingness or obligation to assume responsibility.