Let us look at that in detail.
You have applied to be a moderator, either for a group chat, or a major event. What does it entail?
A moderator has to be above reproach.
A moderator leads by example.
A moderator has to be able to remain calm under pressure.
A moderator has to be able to make sound judgment calls.
A moderator has to back up his/her organisational structure, whether you agree with the decisions or not, a moderator is hired for his/her skills, not his/her opinions.
A moderator does not take sides, they remain neutral.
A moderator is always between a rock and a hard place.