Comer (noun)

1. A person or thing that comes or arrives.
2. A person or thing that comes or arrives, often in the context of being new or recently arrived.

Origin:

From middle english comer, from old english cuma ("comer"), from proto-germanic *kumanaz ("comer"), from proto-indo-european *gʷem- ("to come").

Examples:

1. He was a comer in the field of finance.
2. The new comer was introduced to the group.
3. The comer was greeted with open arms.
4. The comer was given a warm welcome.
5. The new comer was immediately welcomed into the group.