The individual who bears the responsibility for something.
An actor taking on the lesser roles in repertory theatre.
(followed by "for") Having the duty of taking care of something; answerable for an act performed or for its consequences; accountable; amenable, especially legally or politically.
(followed by "for") Being a primary cause of a situation or action and thus able to be blamed or credited for it.
(followed by "to") Answerable to (a superior).
(of a job or position) Involving important duties; involving a degree of personal accountability on the part of the person concerned.
Having good judgment in decision-making.
Able to be trusted; reliable; trustworthy.
Capable of rational conduct and thus morally accountable for one's behavior.