Radical 囗
6 strokes
enclosed 囗 (24a) + big 大 (47) = because 因
Be careful not to mix this up with the previous character.
因为 (122) yīnwèi because
[因而 (151) yīn ér so, therefore]

“He’s so big, he’ll have to be enclosed.” “Why?” “Because he’ll frighten everyone.” / Poor giant, that will upset his yin.