世上 is read as せじょう (sejou) and means the world.
せじょう
sejou
せかいりくじょう
World Championships in Athletics
せだい
generation
せかい
realm governed by one Buddha
せわにん
sponsor
よのなか
society
せけん
world
せわ
sewamono (Edo-period drama about contemporary life)
よ
the times
せかいいち
best in the world
せかいぎんこう
World Bank
せぎん
せわもの