Trouble displaying different info for same role/node type
If you don't already have one, create a View of Users to filter on.

In the Displays section of that view, add a new Display of type "Entity Reference" (where you would add one of Block, Page, etc.).

Now, you'll see in this new View Display the Format is called "Entity Reference List". Go to the settings for this formatter and add a field to search by (in this case, you'll want to use 'User: Name', most likely). Add a Filter Criteria here to only include Users of a specific Role (Tenants).

Now, go to Admin > Configuration > People > Account settings > Manage fields

Add an EntityReference field called "Tenants".

On the Field Settings page, change the Target type to User. Then change the Mode to "Views: filter by an EntityReference View". You'll see your list of "Tenants" here.

Still with me? 

You'll want to make this field widget a Checkbox, probably, so that multiple values can be selected.

Okay, save on that screen and then on Field Edit page, change the number of accepted values to Unlimited. (it defaults to one).

Now, logged in as a Landlord, go to that Landlord's profile and select the Tenants off the checklist now visible on their profile.

You probably created a 'Page' by default with your Tenants (User) View, so now go to that page's View Display settings.

Add a Contextual Filter of User: UID. Set this to a 'Provide a Default Value' with type of "User ID of logged in User".

Now you can Utilize Fields on this Page View--Display content of "Field Tenants" and it will show whoever is selected in that field for the currently logged in user. You can tweak the settings here--if you want to show more information you can display them as "Rendered Entities" and then use any of the View modes for that user you've set up, you'll need to mess with "Multiple Field Settings as well to get it how you want, probably.