instructer
/ˈɪnstrʌktər/Definitions
1. noun
A person who teaches or trains others, especially in a particular subject or skill.
“The instructor was very patient and helped me improve my tennis skills.”
2. verb
To teach or train someone in a particular subject or skill.
“The coach instructed the team on how to play a new formation.”
3. verb
To give instructions or orders.
“The captain instructed the crew to prepare for departure.”