Answer:
Service is being an active helper in the community and taking action that can be of benefit.
Answer:
if I'm supposed to find a grammar error instead if wether it is whether if not I don't know how to answer
In my opinion, your self-esteem can variate when it comes to different situations. For example, you can have a high self esteem when it comes to how well you perform in school; however you may have a lower self esteem when it comes to something like sports.