diligent, industrious, skillful, dextrous

diligence, being industrious, skillfulness, dexterity

disloyalty; unfaithfulness

one person / singleness, singularity / one's own efforts or strengths / an unmarried person, single

one person

to hum something, to sing to oneself

a person, human / an individual / mankind, people / character, personality / an average person / (law); an adult / someone (else)

a personality / the role of that person

counter for number of people

man