Jesus said to judge with righteous judgement (John 7:24). "Judging" isn't always bad, but we have to be careful. We don't want to judge hypocritically (Matthew 7:1-6).
The Bible clearly states that if you love the world, you hate God and aren't a Christian (1 John 2:15-16; James 4:4).
Since she supports homosexuality and stands firmly against those who don't that makes her an abomination to the Lord (1 Corinthians 6:9-11; Proverbs 17:15).