i Register
In some senses, gainstrive is marked as obsolete. Watch for register when choosing this word.
verb
To strive against; to resist, oppose.
To resist; to fight back.
For on the spoile of women he doth live, / Whose bodies chast, when ever in his powre / He may them catch unable to gainstrive, / He with his shamefull lust doth first deflowre, / And afterwardes themselves doth cruelly devoure.