Is it bid’ah for a person who is already there to say salaam to one who has just arrived?

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Check below answers in case you are looking for other related questions:
Is it obligatory to respond to the broadcaster when he says salaam on TV or radio?
Ruling on initiating the salaam when speaking on the telephone

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Related Answers:
Responding to a kaafir when he says salaam to a Muslim
Responding to Greeting of Parrot
Giving salaam is Sunnah when joining a gathering and when leaving it
Is it obligatory to respond to the broadcaster when he says salaam on TV or radio?
Ruling on initiating the salaam when speaking on the telephone

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