My dad hasnt been this bestest person, he has hitted my mom in the past,

hello, Im here because i need help, im a 17year old girl, named Suzette Tinoco morales.. I was born in usa(delaware), my sister and parents are Mexican, we had to come to Mexico 6 years ago, because my grandma was very sick, and yet i got to live with her 4 years, i got to love her, and care for her.. she was a very important part of my family and 2 years ago, she died,my parents always fighted but, 2months since now, they dont talk, they dont sleep together, i try so my family would be together like always but they just cant be together anymore .. My dad hasnt been this bestest person, he has hitted my mom in the past, he never gave money for me and my sister go to school or even eat, but.. i love him, maybe he isnt yet effective, but his my dad and ill always forgive him and love him. S