This is the 282nd most frequent Lithuanian word.
jais
"Jais" means "them" (instrumental case) in English.
Here, 'jais' is the instrumental plural form referring to a group, indicating with whom the action of 'talking' is done.
Aš bendrauju su jais dažnai.
I often talk with them.
In this case, 'jais' is used as the instrumental plural to indicate the entity being utilized or taken advantage of.
Mano draugai padėjo jais pasinaudoti.
My friends helped to take advantage of them.
Here, 'jais' acts as the instrumental plural showing the object of pride.