This is the 7255th most frequent Spanish word.
gerard
"Gerard" is not a Spanish word but a proper noun, typically a name of Germanic origin.
The word 'Gerard' in this sentence serves as a proper noun, specifically a personal name, identifying an individual.
Gerard es mi mejor amigo desde la infancia.
Gerard is my best friend since childhood.
Here, 'Gerard' again functions as a proper name, referring to the individual encountered.
Conocí a Gerard en una conferencia sobre tecnología.
I met Gerard at a technology conference.
In this sentence, 'Gerard' is used as an address or vocative to call the individual and request an action.