Dutiful

[Hina Muqadas]

Performing, or ready to perform, the duties required by
one who has the right to claim submission, obedience, or deference;
submissive to natural or legal superiors; obedient, as to parents or
superiors; as, a dutiful son or daughter; a dutiful ward or servant; a
dutiful subject.

[Little_Girl]

doing everything that you should do:

[Donald Trump]

Conscientiously or obediently fulfilling ones duty.