Adjective
obligated -
caused by law or conscience to follow a certain course; "felt obligated to repay the kindness" ; "was obligated to pay off the student loan"
unobligated not obligated
responsible being the agent or cause; "determined who was the responsible party" ; "termites were responsible for the damage"
beholden under a moral obligation to someone
duty-bound ,
obliged under a moral obligation to do something
indebted owing gratitude or recognition to another for help or favors etc
indebted owing gratitude or recognition to another for help or favors etc
supposed mistakenly believed; "the supposed existence of ghosts"