Is it only me or does all the youngest kid experience this? No ones tells me anything about the decisions of the family. I am basically the servant of the family, like koi aaye to chai pani pilana, ghar ke kaam krna , sabzi mandi jana, majority household work i do

I am from a middle class family in Purvanchal (UP). Father's dead when i was 6. Got two bros and one sis and i am the youngest and we all do formalities with each other, no one is close to no one. My concern is that i am always sidelined. No one listens to me or tells me anything. I have never drank in my life, no girls or gf, no roaming or awarapanti, no friends, i am your typical seedha sadha shy introvert guy. And i feel like a piece of shit. My bro won't take a stand for me like if one outside guy is cursing me or saying bad stuff about me or bullying me , my bro's won't take stand for me , instead they always side with my opponent.Cousins are worse than snakes and i have never felt this lonely in my life... Is it only me or all the youngest kids go through it?