Answer:B.. Marginalisation.
Marginalisation Is defined as when a class of people are being seen as unimportantat or being relegated.
When a person is marginalised,it means that the person is treated as being insignificant ,unimportant or being considered as a lower status in a social setting.
Jack's father was kicked out after serving the company for 20 years because the company is downsizing.
.What could be the basis of kicking sacking some employees and retaining some.
This reveals that the company does not longer see Jack's father as being significant and important.Hence,he was marginalised.
Step-by-step explanation: