Hon är kär i arrangören.

Yes. Att vara kär i någon is the standard Swedish way to say to be in love with someone or to have a crush on someone, depending on context.

So in this sentence:

• är = is
• kär i = in love with / has a crush on

The preposition i belongs with kär here. You normally do not replace it with another preposition in standard Swedish.

Examples:

• Jag är kär i henne. = I’m in love with her.
• Han är kär i sin lärare. = He’s in love with his teacher.

Because arrangören is the definite singular form of arrangör.

Forms:

• en arrangör = an organizer
• arrangören = the organizer

This noun is a common gender noun in Swedish, so it takes en in the indefinite form and -en in the definite singular.

That means:

• Hon är kär i en arrangör. = She is in love with an organizer.
• Hon är kär i arrangören. = She is in love with the organizer.

Yes. Arrangör is not inherently male or female. It means organizer, and the word itself can refer to a person of any gender.

So arrangören could mean:

• the male organizer
• the female organizer
• just the organizer, without focusing on gender

The gender of the noun in Swedish grammar here is common gender, but that is a grammatical category, not the person’s biological sex or gender identity.

It actually is in its normal form for a singular common-gender subject.

In Swedish, predicate adjectives often agree with the noun or pronoun they describe.

Here:

• hon is singular
• so the adjective stays in its basic form: kär

Compare:

• Hon är kär. = She is in love.
• Han är kär. = He is in love.
• Barnet är kärt. = The child is dear / beloved.
• De är kära. = They are in love.

So kär can change in other contexts, but in this sentence kär is the correct form.

This is standard Swedish main-clause word order:

• Hon = subject
• är = verb
• kär = subject complement
• i arrangören = prepositional phrase

So the pattern is basically:

subject + verb + complement + prepositional phrase

That is very normal in simple Swedish statements.

A useful thing to notice is that arrangören is not a direct object here. The phrase i arrangören is part of the expression kär i någon.

Yes, but it means something different.

• Hon är kär i arrangören = She is in love with the organizer / She has a crush on the organizer.
• Hon tycker om arrangören = She likes the organizer.

So tycker om is weaker and more general. It can mean liking someone as a person.
Är kär i is specifically romantic.

The base dictionary form is arrangör.

You can think of it like this:

• remove the definite ending -en
• what remains is the noun stem and base form: arrangör

Full set of common forms:

• en arrangör = an organizer
• arrangören = the organizer
• arrangörer = organizers
• arrangörerna = the organizers

This is useful because Swedish learners often need to recognize a noun even when it appears with an ending attached.

A learner-friendly approximation is:

ah-rahn-SHUR-en

A few things to notice:

• the stress is on the last part of arrangör
• ör has a vowel sound that does not exist in standard English
• the final -en is the definite ending

Also:

• är is pronounced roughly like a short air, but not exactly like English
• kär has a similar vowel quality to är

If you are practicing pronunciation, the hardest part here is usually the ä in är / kär and the ö in arrangören.

Mostly, yes, when used as kär i någon, it is romantic.

For example:

• Hon är kär i honom. = She is in love with him.

But Swedish also has related uses where kär can mean dear, beloved, or fond, depending on context, especially in more literary or fixed expressions.

For everyday learners, the safest rule is:

• kär i någon = romantically in love with someone

No. That would be incorrect.

You need the preposition i after kär when you say who the person is in love with:

• Hon är kär i arrangören. ✅
• Hon är kär arrangören. ❌

So it is best to learn kär i as one unit.

Usually yes. Hon is the Swedish third-person singular pronoun used for a female person in ordinary usage.

So:

• hon = she
• han = he

But Swedish also has hen, a gender-neutral pronoun used in some contexts.

For this sentence, though, hon clearly tells you the subject is referred to as she.