'Rather' in the Bible

He said, “No; rather I indeed come now as captain of the host of the Lord.” And Joshua fell on his face to the earth, and bowed down, and said to him, “What has my lord to say to his servant?”

rather it shall be a witness between us and you and between our generations after us, that we are to perform the service of the Lord before Him with our burnt offerings, and with our sacrifices and with our peace offerings, so that your sons will not say to our sons in time to come, “You have no portion in the Lord.”’

Therefore we said, ‘It shall also come about if they say this to us or to our generations in time to come, then we shall say, “See the copy of the altar of the Lord which our fathers made, not for burnt offering or for sacrifice; rather it is a witness between us and you.”’