A guest.
it means that the lecture is given by someone who is not the usual lecturer, usually a visitor invited (by the professor) to speak
It actually means this. unwelcome visitor who is not invited.
The present perfect tense of invited is has invited or have invited.
Visitor
what are the qualities of a health visitor what are the qualities of a health visitor what are the qualities of a health visitor
There is only one type of visitor. A visitor is a visitor tbqh
Visitor vs home
The present perfect of the verb to invite is "has invited" and "have invited".Examples:I have invited my sisters.You have invited my sisters.He (she) has invited my sisters.We have invited my sisters.They have invited my sisters.
Have/has invited.
Visitor.
we use invited when you have aldready been invited
You and your family are invited.