Anyone vs. Someone

Anyone and Someone Definitions
Anyone
Any person; anybody.
Almost anyone can change a light bulb.
Someone
A person of importance
He really thinks he's someone.
Anyone
One taken at random rather than by selection; anybody. [Commonly written as two words.]
Someone
Some person.
Can someone help me, please?
Someone
A partially specified but unnamed person.
Do you need a gift for that special someone?
Someone
An important person
He thinks he has become someone.
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Someone
A human being;
There was too much for one person to do