Renting out a portion of a property in exchange of a service

Q: There is space for 4 tenants on a property. Is it permissible to rent out portion A of the property to a garden company, with the rental due being a service, e.g. the tenant of the area A will tend to the initial landscaping and then gardening of the entire property long term, as long as they occupy the area A as a tenant.

There will be no rental payments due apart from the gardening service they will offer. In essence, is ijaarah permissible in exchange of a service rather than money?

In laws not allowing daughter in law to leave the house

Q: I wanted to share something about my parents and wife. My parents are not treating my wife well, we all stay under one roof. They say that you both (me and my wife) are equal to them, but when it comes to something they always consider me alone and not my wife. I always raise my voice against this but this leads to a disturbance at my home.

During Covid, I’ve been working at home since then and sometimes I wanted to take my wife out once in a month and that too creates issue. My parents say only you can go and not your wife.

She always wakes early and completes all her work of home but my parents don't even let her go to her own home. This is cruelty and I don't think Islam taught us this way.

Divorce if a person said that they are not married

Q: During a general conversation (not a fight), my husband and I were talking about a degree recognition form that I was required to complete. This form required a character reference to be completed by another professional on my behalf.

My husband said that he would complete this for me. I then told him that family members could not complete the form, to which he replied something like "you can say you are not married".

When I told him it is wrong for him to say such a thing Islamically, he responded that he said this so that we avoid prolonging the process (as if I ticked the married box they would require a host of further information from him). He did not intend anything like divorce.

My question is does this count as a talaq of any kind?