This is the 142nd most frequent Swedish word.
ordförande
Chairperson.
Here, 'ordförande' is used as a noun to refer to the chairman, a person who has a leadership role in a meeting or organization.
Ordförande ledde mötet med entusiasm.
The chairman led the meeting with enthusiasm.
In this sentence, 'ordförande' is again a noun representing someone who gets appointed to chair a committee or group.
Vi valde en ny ordförande för föreningen.
We elected a new chairperson for the committee.
Here, 'ordförande' is used as a noun modified by 'tidigare' to mean a former chairman, showing its use to denote a past role.