Guys, When a man keeps rubbing against you in workplace when standing close to you does it mean he's interested?

Had a young guy in the workplace stand close to me twice when i was working with other people rub against me by pressing his side against me then turning and rubbing his rear end on me the second time he did this he pulled on my chair and was rubbing against me as i described i never had this happen to me before so im just wondering he's obviously interested right?
Guys, When a man keeps rubbing against you in workplace when standing close to you does it mean he's interested?
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