A bioneer is simply just a bisexual person who is also a pioneer. Bioneers have become bioneers by bioneering before something officially becomes an established thing.
Today I learned that the bioneers of this investment company saw their opportunity after the war ended. The war left this whole entire war-torn region completely destroyed. Once these bisexual pioneers developed the investment company, they went down in history as noteworthy bioneers.
an evolution of 'bitch'
at first, the word was bitch. then, in the '90s, the gangster folk became popular and started saying "beeyatch"
which soon turned into byatch, then, the final phaze, bizneeautch