Background: family, upbringing, schooling and peers shape our characters.
The influence of parents and backgrounds are seen on interlinking spectrum
from hostile to warm contrasted with controlling to permissive.
Backgrounds breed behaviour and a lot of emotions beginning with letter B:
bad tempered, baffled, baited, balanced, bashful, battle weary, beaten, beatific, bedazzled, bedevilled, befuddled, beguiled, beholden, beleaguered, belittled, belligerent, beloved, bemused, benevolent, bereaved, bereft, berserk, beset, beside myself, besotted, bewildered, bewitched, biased, bilious, bitchin', bitchy, bitter, blasé, bleak, blessed, blighted, blind, blissful, bloody minded, blown away, boastful, bodacious, boggled, boisterous, bold, bored, bossy, brave, brazen, bullish, burdened, burned out.
Personality hangs in the wardrobe: it is the behaviour we dress ourselves in. People can, and do, vary the appearance of their personality. As most teenagers are happy to prove, the personality traits they show can change to suit the occasion and the relationship.
Temperament describes the way someone reacts.
Both personality and temperament together define our attitudes.
Temperament includes the idea of emotional reaction.
Different societies consider emotions appropriate... or not.
A cold, melancholic personality maybe made up of these temperaments:
This kind of character’s emotional response is likely to be:
When world building, the writer can create the norms and expectations of a whole society. This can be used to add an additional obstacle, to heighten the stress and to raise the stakes.
Personality is the general behaviour we wear.
*I owe a lot of what I think to Chris Gamble of Mind Kind Education