he never supported me

i am married to a gambian for four years, five in febuary, he has lived in uk four years, i paid for visa,family compuond,taxi, money for rice,education every month. the first year was great he called me his princess, however he never supported me fincailly went away all over the UK visting gambian freinds every weekend, refusing to take me. smoked large amount of skunk, visted gambia three times a year staying 4-8 weeks at time all ofd which i paid for. in the fouth year i stopped saying yes to his fincail demands and guess what he left and used varuois freinds to live rent free, he is still in uk but no contact, i have since found out that he is amale escort and he also gave me STC,. i should of went with my gut feeling that he just wante dmy money and visa