OP is a necro or an enchanter, based on his comment about charming. Imo you should look into small groups instead of larger ones, unless you really love the large group dynamic (whatever that means).
An enchanter and a cleric can kill 1/2 as many mobs as a typical group of 6 can, but without having to split the loot 6 ways and the xp even thinner than that. Plus you won't be "carrying" any wizards or AFKers or anything
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At the very least try trioing with a cle/sham + yourself + another charmer/pet class.