If a guy defends a girl in public, does that mean he likes her?

This guy defended me in a meeting last week. Today he cheered for me in meeting again.

Does that mean he likes me? Or he did that just to get everyone's attention in the meeting room?
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+1 y
proverbial white knight-beta male sounds like my kind of guy. He definitely has made an impression, but I don't know how to let him know I like to know him better... if he likes me.
If a guy defends a girl in public, does that mean he likes her?
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