The mindset of using derogatory terms for people identifying themselves as bisexuals and then neglecting it by not calling it as sexual harassment would be illogical and wrong.
People of LGBTQ community are creations of God and any comments on them would be counted against humanity and basic human dignity. Bisexuality refers to the sexual attraction or intimate behavior towards both males and females. Such comments would be uncomfortable for most people, and it may also create hostile environment that causes sexual harassment to people of this community, and they may find them in isolation or depression. Sexual remarks on anyone could be valued as discrimination and violation of human integrity and dignity. It creates a negative impact on the young minds, and they can turn abusive to such people and so it is necessary that such remarks are avoided completely.
Diplomats are top negotiators in dealings with other nations. They are appointed by the President of the United States. They negotiate peace deals and other dealings in other parts of the world. They are given ranks, and usually travel with the Secretary of State. I hope this answer helped you!