Roommate meeting what should I do?

Need y’all opinion. If a person u renting a room to tell you No I’m not going to a childish meeting to go over problems with the other roommates would you feel disrespected in ur own home if you try set a meeting between the roommates that renting out the room when they not even on the lease. Both people renting out the rooms have problems i want to address. I feel like that is a straight violation of disrespect telling someone no in this own crib. Or am i over reacting?
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Roommate meeting what should I do?
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