slandclown,
of course its haram to call a muslim kaffir. but its equally, if not more, haram to call a kaffir muslim. this is the adl of islam, you fool. someone who, for instance, mocks and shows hatred towards the adl of the deen just once, much less on a constant basis, isn't a muslim.
. It's fine to each to their own a woman has the right to wear what the hell she wants
check yourself, fool. are you a muslim or not? it isn't for a muslim to make a statement like the above. this unqualified statement of yours is in direct opposition to allah's kalam. because no such lowly right was ever given to women by the one and only lawgiver, and its certainly not for you to legislate otherwise.
FYI - legislating in matters the deen concerns itself is only within the rights of allah. whoever contests this is a mushrik, kaffir and, worse, taghut.