Translation of insignificant in Spanish

My family is doing well except for my youngest daughter. She is a little ill and needs to visit many doctors. She has had several infections lately, but nothing dangerous, so we are not too worried.
They were floating in self made tubs and rowed with sticks. When they reached our boat they tried to sell us beverage. We vigorously denied them access to our boat. It just did not help.
A band was playing Peruvian music while we were waiting for our luggage. The altitude is immediately felt: Dark blue skies and thin air, which won't let you climb stairs without having to take a few breaks.