What are the rights of muslim women in joint family after marriage?

i was just married three months ago . before marriage my husband and his parents behaved well and good like they will keep me well after marriage.my husband showed much more love and did a lot of promises that he will keep well without any trouble .but after marriage they started to treat me like a slave.his parents abused me emotinally and mentally.they degrading, humiliating,insulting,criticising,spying about me,telling that im a failure,twisting islamic teaching to make me feel worthless.they insuling me in front of his neighbores that im waste and my family is not a good family,comparing me with oter womens,they backbiting me and making malicious gossip about me and my family . but truly i behaved well and good.when i complain it to my husband he is showing angry and not helping me. when i complain it to my parents and neighboors they afraiding that my life will get spoiled and keeping quite. my husband not at all caring me but only at night time he saying he loving me . i understood he is completely selfish.i cont able to tolerate all these .i feel worried always . i feel my life is spoiled. i love my husband and i cont live without him.so someone please give me an advice to whom i can go and ask help without causing any serious problem between me and my husband and advice me to solve my problems in silent manner.and also say me the rights of muslim women in joint family which could help me.