Police are investigating online racist abuse which was aimed at Alfredo Morelos.
The Rangers striker streamed a live video on Friday during which a number of offensive comments were made.
In a statement released on Monday, Rangers condemned the abuse of the 24-year-old Colombian and also stood behind players who took a knee in support of the Black Lives Matter movement during recent friendly games.
"This is unacceptable, cannot be tolerated and must be condemned by everyone in Scottish football and society as a whole," said Rangers managing director Stewart Robertson.
"Furthermore, as a club, we stand firmly behind our players who have taken a knee prior to recent games. This is a strong stance against racism.
"We will work tirelessly to protect our players every single day and will not tolerate the abuse or hatred that some have had to endure in recent days.
"To be clear, if you are unable to support our players, regardless of their background, you are not welcome at Ibrox. Rangers is a club for all."
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