If you want to describe who something is for, such as a present or food, use para followed by the description of the recipient.
English: The gift is for my dad.
Español: El regalo es para mi padre.
English: This money is for you.
Español: Este dinero es para ti.
English: The salad is for me and the gazpacho is for her.
Español: La ensalada es para mí y el gazpacho es para ella.
English: I have been working for my boss for 3 years.
Español: Llevo 3 años trabajando para mi jefe.