Is samething an indefinite pronoun

Yes, something is an indefinite pronoun

Explanation:

Indefinite Pronoun - refers to an unspecified noun, or sometimes just to things in general

 all, another, any, anybody, anyone, anything, both, each

 each one, each other, either, everybody, everyone

 everything, few, many, neither, nobody, none, no one, nothing

 one, one another, other, others, several, some, somebody

 someone, something

it can be many reasons such as they could want they're family to live and explore more two. might just want to be nice.

3.some say for the greater good or future.

4. they might want to have they're baby,kid,family explore more. people just sacrifice.

true fact:

someone is sacrificed everyday.

i would just say something like,

i need to go outside owner to pee, hold on owner let me mark this tree. i'm thirsty now "starts drinking water" now i am tired. what are you eating owner can i have some, you can't refuse my cute puppy eyes.

just make sure you write that in your own words that way you don't get in trouble.