涉 shè to wade; to be involved; to concern
Made up of [氵 shuǐ water radical 85, 步 bù a step; a pace; walk ]Made with 10 strokes.
Combining water and step gives idea of 'wading' through water and from that the more general concept of 'intervening'.
Related characters
Also uses 氵 shuǐ component: 波 bō (wave) 法 fǎ (law) ; 港 gǎng (harbor) ; 海 hǎi (sea) ; 汗 hàn (perspiration) ; 汉 hàn (chinese) ; 河 hé (river) ; 洪 hóng (flood) ; 湖 hú (lake) ; 活 huó (to live) ; 济 jì (to cross a river) ; 江 jiāng (river) ; 津 jīn (ferry crossing) ; 酒 jiǔ (wine) ; 满 mǎn (to fill) ; 没 méi (have not) ; 泡 pào (bubble) ; 汽 qì (steam) ; 浅 qiǎn (shallow) ; 清 qīng (clear) ; 洗 xǐ (to wash) ; 演 yǎn (to develop) ; 渔 yú (fishing) ; 泽 zé (pool) ; 治 zhì (to rule) ; 洲 zhōu (region)