If they are not in accordance with Little League regulations, you can get Regional to help you out. Tyrants tend to get sloppy and play fast and loose with the rules. You can get Regional to hold their feet to the fire. If you are looking for a sample, check out website below. Prepare to watch mud fly.
Tyrants retain power by crushing dissent.
If you aren't prepared to fight this out in the gutter, stay on the sidelines and find someone who will. If you get attacked and cave, it just reinforces this as a tactic for the next guy who might try to stand up. You won't win any allies that way. Remember, the tyrants have some backers that are not going to get swayed. Get in touch with former board members.