This is the 950th most frequent Spanish word.
eres
"Eres" means "you are" (second person singular, present tense of "ser").
Used here to identify or define the subject in relation to something else.
Eres la persona que estaba buscando.
You are the person I was looking for.
Used here as the second-person singular present tense of 'ser', indicating the person's intrinsic characteristic.
Eres muy amable.
You are very kind.
Used here to describe the subject's believed ability to do something.