Condemn them? Perhaps not. But we should at least warn/educate them of the wrath to come.
There is a fine line between condemning someone, and condemning their sin. Those who push the gay agenda, certainly we should condemn their actions. Not just of being gay, but of teaching others to be gay.
The rules are a little different for those in the church.
1Cor 5:1; It is actually reported that there is immorality among you, and immorality of such a kind as does not exist even among the Gentiles, that someone has his father’s wife.
1Cor 5:2; You have become arrogant and have not mourned instead, so that the one who had done this deed would be removed from your midst.
1Cor 5:5; I have decided to deliver such a one to Satan for the destruction of his flesh, so that his spirit may be saved in the day of the Lord Jesus.
1Cor 5:6; Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?
1Cor 5:11; But actually, I wrote to you not to associate with any so-called brother if he is an immoral person, or covetous, or an idolater, or a reviler, or a drunkard, or a swindler--not even to eat with such a one.
1Cor 5:12; For what have I to do with judging outsiders? Do you not judge those who are within the church?
1Cor 5:13; But those who are outside, God judges. Remove the wicked man from among yourselves.