I waited for him to arrive.
In this quotation, what is the function of 'to arrive'? I know that to-infinitives are verbs; however, I wish to understand its functionality in this specific sentence. Is it modifying 'him' like an adjective?
As per a previous question, I also know that a to-infintive can function as a catenative complement; however, I'm not sure if the same applies when prepositional phrases are added to the mix.