Englishfor English speakers
student
Noun
—
A student person who is very interested in a subject.
He's a student of the game and can answer any baseball question you ask.
helper
—
noun
(= assistant, help)
a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
my invaluable assistant
they hired additional help to finish the work
—
noun
(= benefactor)
a person who helps people or institutions (especially with financial help)