Baluarte (en. Bastion)
/ba.lwar.te/
Slang Meanings
Person who is always at the forefront of a fight.
That guy is a bastion among the protesters.
Ese tipo es un baluarte entre los protestantes.
Something that cannot be easily toppled.
That idea is a bastion in the discussion.
Esa idea es un baluarte en la discusión.