someone or something that makes progress or moves forward

a person who helps others improve or succeed

सहायक

English Usage: The coach acted as an advancer, guiding the team towards victory.

Hindi Usage: कोच एक सहायक के रूप में कार्य करते हुए, टीम को विजय की दिशा में मार्गदर्शन कर रहा था।