I hope these college students protesting Israel and participating in largely antisemitic gatherings who have been misled come to their senses, like I did. I hope they learn the nuances, the facts, and then make up their mind, and are open to good-faith dialogue.
Even if someone is not ready to receive Christ as their Savior, you can plant a seed from the Gospel in their mind. Somebody in the future may add "water" to what you planted. God provides the increase.