This is the 545th most frequent Hungarian word.
bárki
"Anyone" or "anybody."
Here 'bárki' is used as a pronoun meaning 'anyone', allowing for an unspecified individual within a condition.
Bárki eljöhet a bulira, ha meghívót kapott.
Anyone can come to the party if they received an invitation.
Here 'bárki' is used to emphasize the open scope of individuals from whom advice can be requested.
Ismerek valakit, aki tud bárkitől tanácsot kérni.
I know someone who can ask advice from anyone.
In this sentence, 'bárki' refers to any person illimited, emphasizing the universal applicability of the action described.