I'll bite. It seems that either #2 (nerdy young man) or #6 (upstanding husband/father) is the archetype most often cucked in games. But are these archetypes you mention the MC or NPCs?
The main reason I'm replying is because I don't quite yet understand why some people react in ways that that suppose brothers (and sons? you left that one out) are "cucked" when other men pursue their sister(s) or mother.
To use your tropes, if I'm playing a game as an MC who is a young businessman and my girlfriend/wife/significant other is being wooed away by my more powerful and successful boss (the older businessman), that's being cucked. But if I'm playing a game as a single MC and my desired love interest in the office (who may or may not also be interested in me) is being pursued and corrupted by the more powerful and successful older businessman, that's being cucked? Or is it NTR...? I get confused.
But if I'm playing a game where I'm the younger brother with the hots for my sexy sister, or I'm the son with the hots for my mother (and it seems like in most games it's BOTH haha), and my sister and/or mother is interested in and/or being pursued by other men, I don't understand how that's being cucked or how that's NTR. She's my fucking sister! I'm not supposed to be interested in her, and she's not supposed to be interested in me. That's the appeal of incest games!! Lust overcomes the taboo. So if my sister (or mom, or cousin, or niece) has a boyfriend or is being pursued by another man, that's the natural order of things, and a quality game finds a way for the MC to be victorious in the sexual conquest despite the taboo.
I guess I just literally don't understand how a brother or son can be "cucked" when his sister or mother is being pursued by another man if part of the game is to defeat that competitor. Unless a game's storyline ends with the relative you've been in love with for your entire post-pubescent life getting together with another man, how is that being cucked?
Sigh... I'm going to now go play a game I enjoy without thinking too hard about which form of Japanese fetish applies and without considering why some people get triggered by things I don't even notice.