The cottonmouth will generally curl into a strike position and gape open its jaws, thereby showing the reason they are called cottonmouths. The two large fangs that are hinged back when the snake closes its mouth are sometimes visible as well. If you are close enough to note the fangs, then you are way too close.
A eunuch is a castrated human male. The castration can be only of the testes, or also include the penis, known as a penectomy (often with a tube inserted to keep the urethra open, called a urethral rerouting). The practice was established before 700 BC and accounts of eunuchs are known throughout history.
An official is someone who holds an office in an organization or government and participates in the exercise of authority. A government official or functionary is an official who is involved in public administration or government, through either election, appointment, selection, or employment. A bureaucrat or civil servant is a member of the bureaucracy. An elected official is a person who is an official by virtue of an election. Officials may also be appointed ex officio. Some official position