Actually venting problems with the person may help them understand that you dont like or wont tolerate his or her behavior and can help understand not to do it in the future with other peers. It's never good to be shy and scared please speak up.
Answer:
Explanation:
I would say imagery, tone and rhyme. Having a "point" to your poem like a message is also important for it to be powerful.
Answer:
A poet would use repetition in their poem to add apeal or emotional affect/connection to the reader.
Explanation:
For example, if a poet repeats 'it will be done', they are showing strong and determined emotional appeal.
Good luck!