involving
v.v. including someone or something as a necessary part of an activity. You use this when you want to show what is needed for a situation to happen.
v. including or containing as a necessary part, consequence, or participant. Often used in the present participle form to describe the components of a complex situation.
The new project is involving every member of the team.
The police are investigating a serious accident involving three cars and a delivery truck on the main highway.
Successfully launching the satellite required a coordinated effort involving hundreds of engineers, several private contractors, and multiple international space agencies.
The verb is transitive and requires a direct object; frequently used in the '-ing' form as a participle to modify a preceding noun.
a situation involving with many peoplea situation involving many peopleInvolving is a transitive verb and does not take the preposition 'with'.