conscientious
/ˌkän(t)-shē-ˈen(t)-shəs/
adjective
meticulous, careful
governed by or conforming to the dictates of conscience : scrupulous
a conscientious listener
upright honest just conscientious scrupulous honorable mean having or showing a strict regard for what is morally right. upright implies a strict adherence to moral principles. honest stresses adherence to such virtues as truthfulness, candor, or fairness.
noun
objection on moral or religious grounds (as to service in the armed forces or to bearing arms)
noun
a person who refuses to serve in the armed forces or bear arms on moral or religious grounds