There is no relationship between steempower and reputation
Steempower is essentially how much you have invested or vested in Steem. This determines how much your vote is worth.
Reputation is a score heavily based on how many upvotes you have received over all. This allows someone to simply "buy" their reputation score.
Based on your response , how can anyone " buy" a reputation score since it is based on upvoted?
By using upvote bots
Yes of course. Noted!!