dutiful (adjective) dutiful: obedient
Sinonime: back end, backside, behind, bottom, bum, butt, derriere, fanny, fundament, gluteus maximus, haunches, hindquarters, posterior, rear, rump, seat
Antonime: betraying, disobedient, faithless,
irresponsible, undutiful, unfaithful, unrespectful