Definition of "conqueror"

They were conquerors, and for that you want only brute force - nothing to boast of, when you have it, since your strength is just an accident arising from the weakness of others.

1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], part I, page 196

Croatia, England's World Cup semi-final conquerors in Moscow in July, looked set to inflict their curse once more and relegate Gareth Southgate's side from the elite group when Andrej Kramaric's twisting finish put them ahead via a deflection off Eric Dier after 57 minutes.

2018 November 18, Phil McNulty, “England 2 - 1 Croatia”, in BBC Sport‎