御客さん[okyakusan] guest
御客様[okyakusama] guest
押掛け客[oshikakekyaku] uninvited guest
佳客[kakyaku] good visitor
花客[kakaku] flower-viewing guest

華客[kakaku] special guests
雅客[gakaku] man of letters
看客[kankaku] spectators
観客[kankyaku] audience
観光客[kankoukyaku] tourist

一席[isseki] sitting
運転席[untenseki] driver's seat (in a car)
宴席[enseki] banquet
会席[kaiseki] meeting place
会席膳[kaisekizen] elaborate dinner tray

会席料理[kaisekiryouri] set of dishes served on an individual tray for entertaining guests
外野席[gaiyaseki] outfield bleachers
滑席[kasseki] sliding seat
寄せ席[yoseseki] musical hall
議席[giseki] parliamentary seat

圧観[akkan] highlight
偉観[ikan] magnificent sight
一面観[ichimenkan] one-sided view
厭世観[enseikan] pessimistic view of life
厭世悲観者[enseihikansha] pessimist

価値観[kachikan] sense of values
外観[gaikan] appearance
概観[gaikan] general view
楽観[rakkan] optimism
楽観的[rakkanteki] optimistic