You do not have to become someone's brother on the first day of a tour.
You do not have to become a robot either.
Be welcoming. Be interested. But let the relationship develop instead of deciding, on behalf of the guest, that you are already close friends.
The same respect should travel in both directions.
A conversation is not an interview
How much do you earn? Why are you not married? Why do you not have children? Who did you vote for?
A person joining a tour has not automatically agreed to discuss their income, relationships, religion or politics.
Some guests are happy to talk about personal things. Others are not. The useful skill is noticing what someone wants to share, rather than assuming that being curious gives us permission to ask anything.
There is plenty to talk about without making someone explain their private life from the back seat.
Give people room
The same applies to touching, standing too close and the way we address people.
A friendly intention is not enough to establish that someone is comfortable. An arm around a shoulder may be welcome in one relationship and unwelcome in another.
It is tempting to turn cultural differences into fixed rules about Western visitors and Moroccan hosts. In practice, people vary. I would rather pay attention to the person in front of me than treat their passport as a complete instruction manual.
If you are unsure, give them space. You can still smile, explain things clearly and make them feel welcome.
The driver is a person too
Respect works in both directions. Booking a service does not mean buying the person delivering it.
A polite question, respect for the vehicle and consideration for the other guests are ordinary expectations. So is respecting a driver's personal space.
There is no contradiction between expecting professional service and treating the professional as a human being. One should make the other easier.
A shared tour also involves other people's time. If the stop has an agreed duration, the group needs everyone to work with it. That is part of sharing an experience rather than owning the whole schedule.
Let warmth develop naturally
I invite introductions and build conversation gradually. People are not always ready for a microphone and a big personality at the beginning of the morning.
A quiet guest is not necessarily unhappy. Someone who does not ask a question in front of the group may be happier asking privately.
I can make room for both without forcing either person to perform sociability for me.
That is connected to preparing and briefing a group at the right time, rather than giving everyone everything at once.
Professional and friendly belong together
For me, professionalism is partly about boundaries: knowing your role, respecting other people's choices and communicating clearly.
It has more to do with those habits than with whether you are wearing a necktie.
Make the guest comfortable enough to enjoy the journey. Leave them free to decide how much of themselves they want to share.
Friendship can happen on the road. It does not need to be included as a compulsory part of the booking.