Observant
From BiblePortal Wikipedia
Observant [1]
(1): ( n.) An Observantine.
(2): ( a.) Taking notice; viewing or noticing attentively; watchful; attentive; as, an observant spectator; observant habits.
(3): ( a.) Submissively attentive; obediently watchful; regardful; mindful; obedient (to); - with of, as, to be observant of rules.
(4): ( n.) One who observes forms and rules.
(5): ( n.) A sycophantic servant.