座席をつめていただけませんか。

seat

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to stuff into; to jam; to cram; to pack; to fill; to plug; to stop up; to shorten; to move closer together; to reduce (spending); to conserve; to focus intently on; to strain oneself to do; to work out (details); to be on duty; to be stationed; to corner (esp. an opponent's king in shogi); to trap; to checkmate; to cut off (one's finger as an act of apology); to catch (one's finger in a door, etc.); to continue ...; to keep doing ... without a break; to do ... completely; to do ... thoroughly; to force someone into a difficult situation by ...

only; just; merely; simply; no more than; nothing but; alone; as (e.g. as soon as, as much as); worth

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way