The correct option is HARD PLEASURE.
An oxymoron refers to a compound word (two words written together) whose meaning are contradictory to each other. The two words that are used together in oxymoron usually have completely opposite meaning and authors usually use it to engage the interest of the readers. For instance in the correct option mentioned above, hard and pleasure has opposite meanings. Other examples of oxymoron are: same difference, bitter sweet, alone together, open secret, original copy, etc.
The type of idea is Implicit
In this sentence, the word rapport means connection. If you have a good connection with your audience, then they can track with you and give positive feedback