Android : how to get value In BaseAdaptor From Model (getter,setter)

i Set The Values in UserModel Class (get set) I want TO Use Those Values In ListView Adaptor class

in Activity i get Like

UserModel user=(UserModel).getIntent().getSerializableExtra("User");

but how to get In Listview Adaptor

please help me ..I tried but failed dont know how to get in adaptor thanku in adavance