the world > action or operation > doing > activity or occupation > acting in another's business or intervention > intervene [verb (reflexive)] > intrude or interfere (3)
reflexive. To thrust oneself in, to obtrude oneself, intrude; to presume.
reflexive. To intrude oneself into any position, condition, or circumstances, or upon another person; to push oneself forward.
To thrust oneself in without warrant or leave; to enter or come where one is uninvited or unwelcome. Also transferred and figurative of things…