Dictionary.net

One who keeps any law, custom, regulation, rite, etc.; one who conforms to anything in practice.

One who fulfills or performs; as, an observer of his promises.

A sycophantic follower.

One who keeps any law, custom, regulation, rite, etc.; one who conforms to anything in practice.

One who fulfills or performs; as, an observer of his promises.

A sycophantic follower.

n. One who observes or pays careful attention to any thing ; a beholder ; a looker on ;- one who keeps any law, custom, or religious service.