A loser is predominantly about missing life opportunities and is heavily related to social status and income/ financial self sufficiency seen through the lense of starting point.
Bricklayer 1: A person born into a family of no achievement living off benefits who trains as a bricklayer and maintains employment and income albeit at a low income = not a loser. Has bettered themself and achieved.
Bricklayer 2: Born into a professional middle class family, privately educated, went to university but dropped out, trains as a bricklayer = loser. Failed to grasp opportunities they were presented with and moved down social scale in terms of both status and income.
Highearner 1: Drugs baron, rolling in cash = loser. Has stacks of cash but is a criminal with no social status.
Highearner 2: Trust fund kid living off daddy = loser. Stacks of cash but did not do anything useful with their opportunities.
Highearner 3: Created and runs own company that makes a useful product = not a loser. Contributed to society, created jobs, high social status.