Meaning of “mobilize” - Learner’s Dictionary

mobilize

verb also UK -ise us uk /ˈməʊbɪlaɪz/
POLITICS [ T ]

to organize a group of people so that they support or oppose something or someone:

He's trying to mobilize support for the strike.
WAR [ I, T ] formal

to prepare for a war:

The forces were fully mobilized for action.
mobilization noun [ U ] us uk /ˌməʊbɪlaɪˈzeɪʃən/

(Definition of “mobilize” from the Cambridge Learner’s Dictionary © Cambridge University Press)