Englishfor English speakers
assistant
Noun
—
An assistant is a person who helps (or assists) another person.
The doctor's assistant held his tools.
assistant
Adjective
—
If you are assistant, you have a position under someone.
The assistant guard was in training to become a full guard.
official
Adjective
—
Something that is official is approved by some authority.
The letter was an official document from the president.
official
Noun
—
An official is a person who has certain authority.
That government official collects taxes.