staunch

忠実な支持者

a very loyal and committed supporter

非常に忠実で献身的な支持者

a very loyal and reliable ally

a firm and dedicated supporter of a cause or person

a very firm and determined opponent

someone with very strong conservative political views

断固たる防御

a very strong and resolute defence

非常に強力で断固とした防御

someone with a very strong and unwavering belief

someone with very strong socialist political views

断固たる拒否

a very firm and unwavering refusal

非常に断固とした揺るぎない拒否

to stop or slow down the flow of blood from a wound

to stop or slow down the movement of a liquid