for·sake 
/fɚˈseɪk/ verb
for·sakes; for·sook /fɚˈseɪk/ verb /-ˈsʊk/ for·sak·en /-ˈseɪkən/ for·sak·ing [+ obj] : to give up or leave (someone or something) entirely
▪ All my friends have forsaken [=abandoned] me. ▪ She forsook [=left] acting for a teaching career.
▪ All my friends have forsaken [=abandoned] me. ▪ She forsook [=left] acting for a teaching career.
