H

*hacker \HACK-uhr\ (noun) –
1 : A person who enjoys exploring the details of programmable systems and how to stretch their capabilities, as opposed to most users, who prefer to learn only the minimum necessary.
2 : One who programs enthusiastically (even obsessively) or who enjoys programming rather than just theorizing about programming.
3 : A person capable of appreciating hack value.
4 : A person who is good at programming quickly.
5 : An expert at a particular program, or one who frequently does work using it or on it; as in `a Unix hacker’. (Definitions 1 through 5 are correlated, and people who fit them congregate.)
6 : An expert or enthusiast of any kind. One might be an astronomy hacker, for example.
7 : One who enjoys the intellectual challenge of creatively overcoming or circumventing limitations.
8 : [deprecated] A malicious meddler who tries to discover sensitive information by poking around. Hence ‘password hacker’, ‘network hacker’. The correct term for this sense is cracker.

halcyon \HAL-see-uhn\ (noun) –
1 : A kingfisher.
2 : A mythical bird, identified with the kingfisher, that was fabled to nest at sea about the time of the winter solstice and to calm the waves during incubation.
(adjective) –
1 : Calm; quiet; peaceful; undisturbed; happy; as, "deep, halcyon repose."
2 : Marked by peace and prosperity; as, "halcyon years." "West foreshadowed the end of Los Angeles’s halcyon moment. He saw the city of angels becoming a city of despair, a place where hopes get crushed…" — Michael Connelly, ‘The Concrete Blonde’
Halcyon derives from Latin (h)alcyon, from Greek halkuon, a mythical bird, kingfisher. This bird was fabled by the Greeks to nest at sea, about the time of the winter solstice, and, during incubation, to calm the waves.

hector \HEK-tur\ (noun) – A bully.
(transitive verb) – To intimidate or harass in a blustering way; to bully.
(intransitive verb) – To play the bully; to bluster.
"Mel’s sales technique consisted of hectoring and badgering the client until he gave in simply to be left alone."
Hector derives from Greek Hektor, in Greek mythology the chief Trojan warrior and the eldest son of Priam, King of Troy.

hortatory \HOR-tuh-tor-ee\ (adjective) – Marked by strong urging; serving to encourage or incite; as, "a hortatory speech."
"Giles later gave up the position in the conviction that he could reach thousands with his beguiling pen while only hundreds with his hortatory voice."
Hortatory is from Latin hortatorius, from hortari, "to exhort, to incite, to encourage."