What that could really means?

If I was chasing him then I look at boys and ingore him THEN He acts like he likes me and at the same time he say very bad words about me and tell his friends about me and his friends talk about me in this way
I DON'T UNDERSTAND he talk with his friends and then he make them look at me and look then they start help him of what he is doing sometimes he act he likes me in the class in front of boys while he is talking he stop and look at me sometimes he filters with me in sexual way. He is cold person and he gets shy when I look at him but he likes make eye contact with me and specially in front of his friends sometimes he acts he doesn't care at all and I who is chasing him!
What that could really means?
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