Sentence:  For on the spoile of women he doth live, / Whose bodies chast, when ever in his powre / He may them catch unable to <WSD>gainstrive</WSD>, / He with his shamefull lust doth first deflowre, / And afterwardes themselves doth cruelly devoure. 
Meaning of the word marked with <WSD> tags:  To resist; to fight back. (16th century)