God does not tolerate sin and neither should you. The Lord certainly forgives sin, but He also commands you to renounce and forsake it.
Is intolerance a sin?
Intolerance is a deadly sin because it is an error of judgment about Ultimate Truth. The Ultimate Truth is beyond the ability of any individual or institutional religion to comprehend. The wise person accepts this.
Is tolerance in the Bible?
A biblical word for 'tolerance' is 'patience'. Within the Bible, patience is not just 'passively waiting', but 'enduring suffering without retaliation'. Tolerance is one of the modern world's highest values, yet the Bible hardly ever uses the word.