"Mi hermana mayor tuvo que cuidarme a mí."
Traducción:My older sister had to look after me.
1# Elder: an older person, especially one with a respected position in society: -"You should listen to the advice of your elders". -"They consulted the village elders".
2# Elder: a sister/brother/son/daughter who is older than the other sister(s), brother(s), etc. -"my elder daughter".