The answer i got for your question is :A word,that suggest the opposite of what is meant.
It depends on the connotation of the word.
a. mentor- helps you shape your future
b. dictator- negative connotation, too controlling
c. leader- guidance
d.teacher- fills your knowledge
I WOULD SAY C. LEADER
2, 3, 5, 6, and 7. I think that makes the presentation more effective.