Yo: estoy
Nosotros(as):estamos
Tu: estas
Vosotros: estais
El: esta
Ella: esta
Ud. esta
Ellos: Estan
Ellas: estan
Ustedes: estan
Answer:
Being a migrant worker affected Luis' childhood because he didn't go to school but rather he worked all the time and this is not what a kid should be doing as that age.