Mi zorgos pri via kato dum vi restos en la hotelo.

In Esperanto, -os marks the future tense.

• zorgi = to care
• zorgos = will care

So Mi zorgos means I will take care or I will care.

A quick tense reminder:

• -as = present → mi zorgas = I care / I am taking care
• -is = past → mi zorgis = I cared / I took care
• -os = future → mi zorgos = I will take care

The verb zorgi is commonly used with the preposition pri when you mean to take care of or to be concerned with/about something.

So:

• zorgi pri kato = to take care of a cat
• zorgi pri infano = to take care of a child

This is just how the verb is normally built in Esperanto. English says care for or take care of, while Esperanto often says zorgi pri.

Because kato is part of the phrase pri via kato.

The preposition pri already shows the relationship, so you normally do not use the accusative -n after it.

• pri via kato = about / concerning / taking care of your cat

In Esperanto, nouns after a preposition usually do not take -n, unless there is a special reason involving direction or movement, which is not the case here.

So:

• correct: pri via kato
• not here: pri vian katon

Here pri means something like about, concerning, or as part of the expression zorgi pri, take care of.

On its own, pri often means about:

• libro pri birdoj = a book about birds

But with zorgi, the whole phrase zorgi pri is best understood as take care of or look after.

So in this sentence, it is better to learn zorgi pri as a unit.

Because the staying in the hotel is also in the future.

• Mi zorgos... = I will take care...
• vi restos... = you will stay...

Both actions happen later than now, so the future tense is natural in both clauses.

Esperanto often makes time relationships very clear this way. Since the whole situation is future, restos fits well.

Dum means while or during the time that.

In this sentence:

• dum vi restos en la hotelo = while you stay in the hotel

It connects the two actions and shows that they happen during the same time period.

Examples:

• Mi legis dum ŝi kuiris. = I read while she cooked.
• Dum la somero = during the summer

So dum can be used before a whole clause or before a noun phrase.

En means in or inside.

So:

• en la hotelo = in the hotel

This is the normal way to say that someone is staying inside the hotel.

You may also see ĉe in other contexts, but en focuses more clearly on being in the place itself.

In Esperanto, possessive words like via often make la unnecessary.

• via kato = your cat

You usually do not say la via kato.

But hotelo is not possessed here, so la hotelo means the hotel.

So the difference is:

• via kato = your cat
• la hotelo = the hotel

Yes. Esperanto word order is fairly flexible.

You can say:

• Mi zorgos pri via kato dum vi restos en la hotelo.
• Dum vi restos en la hotelo, mi zorgos pri via kato.

Both mean the same thing. The second version simply puts more emphasis on the time clause first, like English While you stay in the hotel, I’ll take care of your cat.

Usually, yes.

Esperanto verb endings show tense, but they do not show the subject person the way some languages do. So zorgos only means will care; it does not by itself mean I will care.

That is why the subject pronoun is normally included:

• Mi zorgos = I will take care
• Vi zorgos = you will take care
• Ŝi zorgos = she will take care

No. Another common verb is prizorgi.

• Mi zorgos pri via kato.
• Mi prizorgos vian katon.

Both can mean I will take care of your cat.

A useful difference:

• zorgi pri can sound a bit broader, like look after / care about / attend to
• prizorgi often sounds more directly like take care of / tend to

Also notice the grammar difference:

• zorgi pri via kato → uses pri
• prizorgi vian katon → direct object, so -n appears

Because the sentence is talking about one cat.

• kato = cat
• katoj = cats

So if there were several cats, you would say:

• Mi zorgos pri viaj katoj dum vi restos en la hotelo.

That would mean I will take care of your cats while you stay in the hotel.

Yes.

Via can mean:

• your addressed to one person
• your addressed to more than one person

Esperanto does not change the possessive word for singular vs. plural you. Context tells you which one is meant.

Examples:

• via libro = your book
• viaj libroj = your books

The -j goes on the possessed noun, and also on the possessive adjective when needed:

• via kato = your cat
• viaj katoj = your cats

The word dum signals the start of the time clause.

So the sentence divides like this:

• Mi zorgos pri via kato = main clause
• dum vi restos en la hotelo = time clause

That makes the structure very clear:

[main action] + [time during which it happens]

This is a very common Esperanto pattern.