hard-working
adjective
[ ˌhɑːdˈwəːkɪŋ ]
• (of a person) tending to work with energy and commitment; diligent.
• "an efficient, hard-working, and trusted administrator"
Similar:
diligent,
industrious,
conscientious,
assiduous,
sedulous,
painstaking,
persevering,
unflagging,
untiring,
tireless,
indefatigable,
studious,
energetic,
keen,
enthusiastic,
driven,
zealous,
busy,
laborious,